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DataFlex Examples

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(DataFlex) FTPS with Mutual TLS Authentication (TLS Client Certificate)

Demonstrates how to do mutual TLS authentication (using a client certificate from a .pfx/.p12).

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoFtp
    Variant vCert
    Handle hoCert
    Boolean iSuccess
    String sTemp1

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    Get Create (RefClass(cComChilkatFtp2)) To hoFtp
    If (Not(IsComObjectCreated(hoFtp))) Begin
        Send CreateComObject of hoFtp
    End

    Set ComHostname Of hoFtp To "ftp.example.com"
    Set ComPort Of hoFtp To 21

    // If using implicit TLS, you probably want port 990..
    Set ComPort Of hoFtp To 990

    // Set this to False for implicit TLS, otherwise set to True for explicit TLS (where port is typically 21).
    Set ComAuthTls Of hoFtp To False

    // Set this to True for implicit TLS, otherwise set to False.
    Set ComSsl Of hoFtp To True

    Get Create (RefClass(cComChilkatCert)) To hoCert
    If (Not(IsComObjectCreated(hoCert))) Begin
        Send CreateComObject of hoCert
    End
    Get ComLoadPfxFile Of hoCert "qa_data/pfx/example.pfx" "pfx_password" To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoCert To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Use this certificate for our TLS mutually authenticated connection:
    Get pvComObject of hoCert to vCert
    Get ComSetSslClientCert Of hoFtp vCert To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoCert To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Establish the TLS connection with the FTP server.
    Get ComConnectOnly Of hoFtp To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoFtp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // If a login is required, then login with the FTP account login/password.
    Set ComUsername Of hoFtp To "myLogin"
    Set ComPassword Of hoFtp To "myPassword"
    Get ComLoginAfterConnectOnly Of hoFtp To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoFtp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Do whatever you're doing to do ...
    // upload files, download files, etc...

    // .....
    // .....

    Get ComDisconnect Of hoFtp To iSuccess


End_Procedure

 

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